Surface editor - Refactor selection/movement code to match nodes

Device visualizer - Fixed exception when updating devices during render

src/Artemis.Core/Constants.cs

@@ -32,7 +32,7 @@ namespace Artemis.Core
         /// <summary>
         ///     The full path to the Artemis data folder
         /// </summary>
-        public static readonly string DataFolder = Path.Combine(BaseFolder, "Artemis.Avalonia");
+        public static readonly string DataFolder = Path.Combine(BaseFolder, "Artemis");
 
         /// <summary>
         ///     The full path to the Artemis logs folder